Finding the Fourth Proportional to 3,945.49, 5,914.06 and 1,722.37

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.49 : 5,914.06 = 1,722.37 : x
2. Step 2: Convert to fraction form
   3,945.49/5,914.06 = 1,722.37/x
3. Step 3: Cross multiply
   3,945.49x = 5,914.06 × 1,722.37
4. Step 4: Simplify right side
   3,945.49x = 10,186,191.52
5. Step 5: Solve for x
   x = 10,186,191.52/3,945.49
6. Step 6: Final answer
   x = 2,581.73